20123531470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{287479021}}^1$

素因数の和:287479035

約数の個数: 16

約数和(自身を含む): 41396979168

約数和(自身を除く): 21273447698

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 287479021, 574958042, 1437395105, 2012353147, 2874790210, 4024706294, 10061765735, 20123531470]

約数ペア:

[(1, 20123531470), (2, 10061765735), (5, 4024706294), (7, 2874790210), (10, 2012353147), (14, 1437395105), (35, 574958042), (70, 287479021)]